ALTA/LITTLE COTTONWOOD CANYON HRRR-DERIVED FORECAST GUIDANCE *************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED, AND UNOFFICIAL FORECAST * *************************************************************** CREATED/MAINTAINED BY THE STEENBURGH GROUP DEPARTMENT OF ATMOSPHERIC SCIENCES UNIVERSITY OF UTAH Contact: jim.steenburgh@utah.edu WETBULBZERO, 1H QPF, ACCUM QPF DIRECTLY FROM HRRR COLLINS SNOW RATIO/H2O, MT BALDY T/RH, MT BALDY WIND, 1H SNOW, and ACCUM SNOW based on machine learning including UU RF SLR algorithm Based on 12Z 22-Feb-2025 intialized HRRR FORECAST HOURS 0-48 FHR VALID MOUNTAIN TIME COLLINS T MT BALDY T/RH MT BALDY WIND WETBULBZERO SLR/H2O 1H QPF / 1H SNOW / ACCUM QPF / ACCUM SNOW 0 05 AM Sat Feb 22 2025 17F 19F / 29% WNW 18 G 24 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Sat Feb 22 2025 17F 19F / 24% W 18 G 23 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Sat Feb 22 2025 17F 19F / 22% W 18 G 23 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Sat Feb 22 2025 18F 20F / 21% W 19 G 25 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Sat Feb 22 2025 19F 21F / 23% W 19 G 28 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Sat Feb 22 2025 21F 22F / 24% W 17 G 25 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Sat Feb 22 2025 27F 24F / 25% W 16 G 24 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Sat Feb 22 2025 28F 23F / 28% W 15 G 24 MPH 4300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Sat Feb 22 2025 29F 24F / 33% W 17 G 26 MPH 4600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 02 PM Sat Feb 22 2025 30F 24F / 34% W 16 G 27 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 03 PM Sat Feb 22 2025 27F 23F / 39% W 18 G 27 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 04 PM Sat Feb 22 2025 25F 23F / 42% W 20 G 29 MPH 5200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 12 05 PM Sat Feb 22 2025 25F 22F / 44% WNW 20 G 29 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 06 PM Sat Feb 22 2025 22F 20F / 50% WNW 21 G 31 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 07 PM Sat Feb 22 2025 21F 20F / 54% WNW 21 G 31 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 08 PM Sat Feb 22 2025 21F 20F / 57% WNW 20 G 28 MPH 4800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 09 PM Sat Feb 22 2025 21F 20F / 57% WNW 20 G 28 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 10 PM Sat Feb 22 2025 21F 20F / 58% WNW 19 G 27 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 11 PM Sat Feb 22 2025 21F 20F / 58% WNW 20 G 29 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 12 AM Sun Feb 23 2025 21F 21F / 57% WNW 21 G 29 MPH 4600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 01 AM Sun Feb 23 2025 21F 21F / 53% WNW 22 G 32 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 02 AM Sun Feb 23 2025 21F 21F / 51% WNW 23 G 34 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 03 AM Sun Feb 23 2025 22F 21F / 49% W 24 G 35 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 04 AM Sun Feb 23 2025 22F 21F / 47% WNW 25 G 37 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 24 05 AM Sun Feb 23 2025 23F 22F / 45% WNW 25 G 36 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 25 06 AM Sun Feb 23 2025 23F 22F / 44% WNW 23 G 32 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 26 07 AM Sun Feb 23 2025 23F 22F / 41% WNW 24 G 33 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 27 08 AM Sun Feb 23 2025 23F 23F / 43% W 23 G 32 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 09 AM Sun Feb 23 2025 24F 24F / 45% W 22 G 31 MPH 4300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 10 AM Sun Feb 23 2025 29F 27F / 46% W 21 G 31 MPH 5000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 30 11 AM Sun Feb 23 2025 32F 28F / 43% W 20 G 31 MPH 5500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 31 12 PM Sun Feb 23 2025 33F 28F / 46% W 20 G 31 MPH 5900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 01 PM Sun Feb 23 2025 34F 27F / 47% WSW 20 G 32 MPH 6200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 02 PM Sun Feb 23 2025 34F 27F / 54% W 23 G 38 MPH 6700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 34 03 PM Sun Feb 23 2025 33F 27F / 53% WSW 23 G 38 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 35 04 PM Sun Feb 23 2025 33F 27F / 53% WSW 24 G 39 MPH 7100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 36 05 PM Sun Feb 23 2025 31F 27F / 52% WSW 23 G 36 MPH 7200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 37 06 PM Sun Feb 23 2025 30F 27F / 49% W 24 G 38 MPH 7300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 38 07 PM Sun Feb 23 2025 28F 26F / 53% W 24 G 39 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 08 PM Sun Feb 23 2025 28F 25F / 53% W 25 G 38 MPH 7500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 40 09 PM Sun Feb 23 2025 28F 25F / 58% W 24 G 37 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 41 10 PM Sun Feb 23 2025 26F 23F / 69% W 23 G 38 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 42 11 PM Sun Feb 23 2025 26F 23F / 76% WSW 26 G 42 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 43 12 AM Mon Feb 24 2025 27F 24F / 77% W 24 G 41 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 44 01 AM Mon Feb 24 2025 28F 25F / 94% W 23 G 36 MPH 9300 FT 7:1 / 14% 0.01" / 0.1" 0.01" / 0.1" 45 02 AM Mon Feb 24 2025 30F 26F / 95% W 23 G 37 MPH 9100 FT 7:1 / 14% 0.01" / 0.1" 0.02" / 0.2" 46 03 AM Mon Feb 24 2025 30F 26F / 99% W 24 G 38 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2" 47 04 AM Mon Feb 24 2025 30F 25F / 100% W 23 G 34 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2" 48 05 AM Mon Feb 24 2025 29F 25F / 100% W 24 G 35 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2"